Beijing's Shichahai lakes transform into a frozen playground each winter, unlike any ice rink you've ever seen. Ride bikes on ice, zoom on dolphin sleds and join locals in laughter, friendly races and picture-perfect moments. Adventure, fun and a little winter magic await. (Produced by Pang Xiangshan, Lin Rui, Zhu Yingqi and interns Wu Zhuoran, Ma Junbang and Du Rongqi)